57results about How to "Reduce refresh time" patented technology

The invention provides a vehicle-mounted internet gateway, a vehicle OTA upgrading system, a vehicle OTA upgrading method, a computer storage medium and a vehicle. A one-stop OTA refreshing scheme isrealized by using a vehicle-mounted internet gateway. The upgrading and refreshing of an intelligent controller on the vehicle can be completed, updating and refreshing of non-intelligent controllersof all CAN sub-networks can be completed, all OTA control strategies can be completed in a vehicle-mounted internet gateway, and then unified refreshing strategies and file formats can be formed, andvehicle OTA updating and refreshing schemes of different vehicle types and different configurations can be unified for a whole vehicle factory. Furthermore, a deeper customized vehicle OTA upgrading refreshing scheme can be provided, for example, independent refreshing, refreshing sequence configuration, multi-subnet parallel refreshing and the like of each module of each controller can be realized.

The invention discloses an easy-to-apply online refresh method for server firmware. In the method, the firmware files of each chip of the server are placed in the same folder according to the classification and version; the chips that need to refresh the firmware version are listed in the XML file, When the firmware is refreshed, it is called by the script; when it is modified, the chip name, firmware version, file storage location, refresh command, and the action to be executed after the refresh are changed by modifying the XML file without changing the script. The whole process of the method of the present invention is controlled by scripts, and there will be no situation of missed brushing and refreshing failures that cannot be intercepted, thereby ensuring the quality of refreshing. There is no need for human participation in the whole process, which reduces the cost of refreshing. If the actual version of the machine firmware is consistent with the definition in the XML file, you can skip not to refresh, and refresh the chip without restarting to continue to refresh the next chip, without restarting every time you refresh, which reduces the firmware refresh time and improves the refresh efficiency.

The invention discloses a method for managing label switching path (LSP) tunnel information, including: respectively binding an LSP tunnel identification for every LSP tunnel destination, wherein, the LSP tunnel destination is in one-to-one correspondence with the LSP tunnel identification; acquiring the LSP tunnel identification bond to the LSP tunnel destination and recording into the VPN forwarding table, during establishing an VPN forwarding table arriving the LSP tunnel identification; during establishing the LSP tunnel, using the LSP tunnel identification bond to the LSP tunnel destination to identify the LSP tunnel, and establishing corresponding NHLFE table for the LSP tunnel; and refreshing the NHLFE table corresponding to the variation of the LSP tunnel, when the LSP tunnel changes. The invention also discloses an apparatus for managing LSP tunnel information. The invention can reduce information maintenance complexity and reduce VPN service recovery time, when the LSP tunnel changes.

The invention discloses a page display method, an electronic device and a computer storage medium. The method comprises the steps that an intermediate page triggered by a received page click instruction is determined; in the process that the intermediate page is drawn to a frame buffer, page synchronization operation between the frame buffer and a display screen is paused; after the intermediate page is drawn in the frame buffer, a result page triggered by the page click instruction is drawn into the frame buffer; the page synchronization operation between the frame buffer and the display screen is restored, and the result page drawn in the frame buffer is synchronized to the display screen for display. According to the scheme, the page synchronization operation between the frame buffer and the display screen is paused in the process of drawing the intermediate page, and the refresh frequency between the frame buffer and the display screen is reduced so that the speed of page switching display can be effectively increased, invalid waiting time of a user is shortened, and great convenience is brought to the user.

The invention provides an optical cable knocking signal displaying method and system. The optical cable knocking signal displaying method includes the steps: continuously sampling audio signals to obtain the audio data of sampling; continuously according to the sequence of sampling, every time obtaining the data of the magnitude of the preset time window from the audio data of sampling, taking thedata of the magnitude of the preset time window as one group of audio data, and presetting the characteristic value number of each group of audio data as at least two; for the each group of audio data, setting a preset threshold, looking for the maximum of the absolute value of the group of the audio data, looking for the characteristic value of the group of audio data, and storing the group of characteristic value in the first storage space; and according to the screen movement frequency of a display screen, continuously obtaining the characteristic values in the first storage space, addingthe characteristic values in the characteristic waveform, and at the same time, moving the characteristic waveform to remove the earliest added characteristic value so as to enable the characteristicwaveform on the display screen to move continuously and display a plurality of groups of characteristic values at the same time. The optical cable knocking signal displaying method can improve timeliness and authenticity of display of identified knocking signals.

The invention relates to an exposure device used for carrying out exposure for a gluing base for at least two times. The exposure device comprises at least two SLMs (Spatial Light Modulators), a movement mechanism, a projection objective lens, a workbench, the gluing base and a control unit, wherein the at least two SLMs are respectively installed on the movement mechanism, the SLMs, the movement mechanism and the workbench are respectively controlled by the control unit, the workbench loaded with the gluing base moves to a position to be exposed under the control of the control unit, the movement mechanism sequentially adjusts the at least two SLMs to an object plane of the projection objective lens under the control of the control unit for exposure, each SLM sequentially carries out a data loading stage, a device resetting stage and a graphical display stage under the control of the control unit, the control unit controls all the SLMs to carry out any one of the stages simultaneously, so that the overall effective refresh rate of all the SLMs is increased, the production rate of maskless lithography equipment is increased, and the display time of SLM graphs is shortened. High-resolution graphs can be made by using a continuous light source.

The invention discloses an image display method and an image display device. The image display method comprises the steps of determining the display mode of a to-be-displayed image; when a fact that the display mode is a 3D display mode is determined, successively scanning odd-number pixel lines on a liquid crystal display panel by a timing controller through a gate electrode driver, in scanning each odd-number pixel line, applying a voltage signal which corresponds with an image that is displayed on the odd-number pixel line on the scanned odd-number pixel line through the gate electrode driver; and after the timing controller scans a final odd-number pixel line through the gate electrode driver, simultaneously scanning all even-number pixel lines and simultaneously applying a preset voltage signal on all even-number pixel lines on the liquid crystal display panel. According to the image display method provided by the embodiment of the invention, crosstalk is prevented in a 3D manner. The image display method does not affect display of a 3D image and furthermore performs functions of preventing a ghost in display the 3D image and realizing no brightness loss in display a 2D image.

The invention discloses an electrophoretic display device for realizing multi-gray-scale color and a display method thereof. The electrophoretic display device for realizing multi-gray-scale color comprises a color electrophoretic display EPD pixel layer and a liquid crystal layer, wherein the color EPD pixel layer comprises EPD pixel units arranged in an array, each EPD pixel unit comprises threesub-pixel units, and the EPD pixel units display colors through color mixing of the three sub-pixel units; the liquid crystal layer is arranged on the color EPD pixel layer, and the luminous flux ofemergent light of the color EPD pixel layer is changed by controlling the liquid crystal deflection angle. According to the technical scheme, colorization of the electronic paper can be achieved, andthe picture refreshing time of the colored electronic paper is shortened.

The invention discloses a remote real-time monitoring method and system. The remote real-time monitoring method includes the steps: (1) a graphical terminal is deployed in a remote region, and a cloudcomputing technology is adopted, and a security proxy server and a scheduling cloud management systems are deployed in the center of the region; (2) a dedicated message bus is adopted between the graphical terminal and the security proxy server, and the message bus is real-time, secure, and stable and can prevent network jitter and packet loss; and (3) the graphical terminal accesses the scheduling cloud management system through the security proxy server, and the scheduling cloud management system pushes the subscribed monitoring data to the graphical terminal in real time; and the graphicalterminal can send a control instruction to a scheduling cloud to realize real-time monitoring of power grids in the remote region. In the remote real-time monitoring method and system, the remote region only needs to deploy remote graphic terminals without the requirement for increasing investment in network facilities and purchasing expensive servers and databases, thus reducing personnel allocation, greatly reducing the investment cost, improving real-time monitoring reliability and reducing the down time.

The invention discloses a cache memory and a data operating method thereof. The memory area of the cache memory comprises a cache block information area of the cache memory and a Cache block data area; the Cache block information area comprises a read Cache block information area and a write Cache block information area, and is used for storing the information of each data block in the Cache block data area; the information comprises the relevant information of the data block and data storage addresses; and the Cache block data area is used for storing data with the block as the unit. The invention only needs to adjust the proportion of the write Cache block information area and the read Cache block information area in the Cache block information area without massive data copying, thus improving the adjusting flexibility; and when the refresh operation is carried out, only little data copying is carried out, thus reducing the time of data refresh and improving the refresh performance.

The invention discloses a dot matrix and segment code two-in-one EPD display screen. A dot matrix portion and a segment code portion are driven by a driver IC, the driver IC comprises a Source driver and a Gate driver, output signals are provided by partial Source pins and partial Gate pins of the driver IC for the dot matrix portion, output signals are provided by the other Source pins for the segment code portion, for the dot matrix portion, connection wires led out by the Source driver and the Gate driver of the driver IC form multiple pixel points, the pixel points are used for displaying changeable digit, character and graph image information, for the segment code portion, connection wires led out by the Source driver of the driver IC form multiple Segs, and the multiple Segs are used for displaying fixed characters and changeable digits. Through the dot matrix and segment code two-in-one EPD display screen, dot matrix and segment code two-in-one display can be realized on one same screen, the dot matrix portion and the segment code portion can be respectively refreshed, the dot matrix portion and the segment code portion can be simultaneously refreshed further, and the dot matrix and segment code two-in-one EPD display screen further has advantages of small refreshing current, low power consumption, simple operation and convenience and rapidness.

The invention relates to the field of automobile data updating, in particular to a parallel refreshing method based on a vehicle-mounted Ethernet, which comprises the following steps of S1, setting the parallel refreshing frames in a refreshing file, selecting a corresponding CAN channel by a CAN controller, and unpacking the refreshing file; S2, receiving the parallel CAN refresh package data uploaded by an Ethernet package tool; S3, unpacking the parallel CAN refresh package data, and sending the unpacked parallel CAN refresh package data to a corresponding CAN channel; S4, receiving a response message of the CAN controller; and S5, updating the corresponding ACK bit data, judging whether the ACK bit data in all the parallel refreshing frames are correctly updated or not, and if not, re-executing the step S1. Based on the communication rate of 100M or even 1000M of the Ethernet, the whole automobile is refreshed in parallel, so that the refreshing time is greatly shortened, the software updating time of the whole automobile is shortened, and the better experiences are brought to the users.

A semiconductor memory that shortens refresh operation time. A REF-ACT comparison circuit for addresses compares a refresh request signal srtz and an active request signal atdpz and immediately outputs a refresh address import signal ialz to a row-add latch circuit in the case of the refresh request signal srtz having been input prior to the active request signal atdpz. A REF-ACT comparison circuit for commands compares a delayed refresh request signal srtdz obtained by delaying the refresh request signal srtz and the active request signal atdpz, outputs a refresh execution request signal refpz in the case of the delayed refresh request signal srtdz having been input prior to the active request signal atdpz, and outputs an active execution request signal actpz in the case of the active request signal atdpz having been input prior to the delayed refresh request signal srtdz.

The invention discloses an ECU refreshing method based on a CAN bus. The refreshing method comprises the following steps: detecting cache space and thread occupation information of an ECU; updating transmission parameters representing the receiving capability of the ECU according to the detected cache space and the thread occupation information; and feeding back the transmission parameter to a refresh tool to update the refresh frequency. The embodiment of the invention discloses a refreshing method. In the process of refreshing the ECU, the transmission parameters representing the receiving capability of the ECU can be updated according to the cache space and the thread occupation information of the ECU, so that the time interval of sending the refreshing message to the ECU by the refreshing tool is updated, and the transmission parameters and the time interval of refreshing the message are matched with the receiving capability of the ECU.

The invention discloses an automobile instrument combination upgrading system and method. The automobile instrument combined upgrading system comprises a central control device and a combined instrument device; the central control device is connected with the combined instrument device, the central control device comprises a central control upgrading client, the combined instrument device comprises an instrument upgrading server and an instrument upgrading client, and the instrument upgrading server and the instrument upgrading client are connected through a preset communication line; when thecentral control device receives the combination instrument software update package, the combination instrument software update package is transmitted to the instrument upgrading server in batches through the central control upgrading client; when the instrument upgrading server receives the combined instrument software updating package, an upgrading notification is sent to an instrument upgradingclient through a preset communication line; and the instrument upgrading client upgrades the combination instrument device according to the combination instrument software updating package. By meansof the mode, the software updating packages are transmitted in batches, the software refreshing efficiency is improved, and the software refreshing time of the combination instrument is shortened.